12653110991 has 2 divisors, whose sum is σ = 12653110992. Its totient is φ = 12653110990.

The previous prime is 12653110963. The next prime is 12653111011. The reversal of 12653110991 is 19901135621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12653110991 - 2²⁶ = 12586002127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12653118991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6326555495 + 6326555496.

It is an arithmetic number, because the mean of its divisors is an integer number (6326555496).

Almost surely, 2^12653110991 is an apocalyptic number.

12653110991 is a deficient number, since it is larger than the sum of its proper divisors (1).

12653110991 is an equidigital number, since it uses as much as digits as its factorization.

12653110991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 38.

The spelling of 12653110991 in words is "twelve billion, six hundred fifty-three million, one hundred ten thousand, nine hundred ninety-one".